[GHC] #12230: Non-deterministic ghc-iserv terminated error

[GHC]

#12230: Non-deterministic ghc-iserv terminated error
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        Reporter:  ezyang            |                Owner:  simonmar
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.2.1
       Component:  GHCi              |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonmar):

 Ok, there's some memory corruption and the stack traces aren't very
 helpful.  I need to repro this somehow.  There must be something about
 your setup that's different from mine - I'm assuming you're on 64-bit
 Linux?  Any custom validate.mk settings?

 Can you isolate a single test that fails and run it repeatedly?  How often
 does it fail?  Can you get a `-opti-v` dump from a failing run?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12230#comment:3>
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